package ronglei.day02.jicheng03;

public class Zi extends Fu {
    int num = 20;
    public void method(){
        int num = 30;
        System.out.println(num);//30 局部变量
        System.out.println(this.num);//20 成员变量
        System.out.println(super.num);//10  父类的成员变量
    }
}
